1*ae771770SStanislav Sedov /*
2*ae771770SStanislav Sedov * Copyright (c) 2007 Kungliga Tekniska Högskolan
3*ae771770SStanislav Sedov * (Royal Institute of Technology, Stockholm, Sweden).
4*ae771770SStanislav Sedov * All rights reserved.
5*ae771770SStanislav Sedov *
6*ae771770SStanislav Sedov * Redistribution and use in source and binary forms, with or without
7*ae771770SStanislav Sedov * modification, are permitted provided that the following conditions
8*ae771770SStanislav Sedov * are met:
9*ae771770SStanislav Sedov *
10*ae771770SStanislav Sedov * 1. Redistributions of source code must retain the above copyright
11*ae771770SStanislav Sedov * notice, this list of conditions and the following disclaimer.
12*ae771770SStanislav Sedov *
13*ae771770SStanislav Sedov * 2. Redistributions in binary form must reproduce the above copyright
14*ae771770SStanislav Sedov * notice, this list of conditions and the following disclaimer in the
15*ae771770SStanislav Sedov * documentation and/or other materials provided with the distribution.
16*ae771770SStanislav Sedov *
17*ae771770SStanislav Sedov * 3. Neither the name of the Institute nor the names of its contributors
18*ae771770SStanislav Sedov * may be used to endorse or promote products derived from this software
19*ae771770SStanislav Sedov * without specific prior written permission.
20*ae771770SStanislav Sedov *
21*ae771770SStanislav Sedov * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22*ae771770SStanislav Sedov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23*ae771770SStanislav Sedov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24*ae771770SStanislav Sedov * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25*ae771770SStanislav Sedov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26*ae771770SStanislav Sedov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27*ae771770SStanislav Sedov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28*ae771770SStanislav Sedov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29*ae771770SStanislav Sedov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30*ae771770SStanislav Sedov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31*ae771770SStanislav Sedov * SUCH DAMAGE.
32*ae771770SStanislav Sedov */
33*ae771770SStanislav Sedov
34*ae771770SStanislav Sedov /* $Id$ */
35*ae771770SStanislav Sedov
36*ae771770SStanislav Sedov #include "mech_locl.h"
37*ae771770SStanislav Sedov
38*ae771770SStanislav Sedov GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_pseudo_random(OM_uint32 * minor_status,gss_ctx_id_t context,int prf_key,const gss_buffer_t prf_in,ssize_t desired_output_len,gss_buffer_t prf_out)39*ae771770SStanislav Sedov gss_pseudo_random(OM_uint32 *minor_status,
40*ae771770SStanislav Sedov gss_ctx_id_t context,
41*ae771770SStanislav Sedov int prf_key,
42*ae771770SStanislav Sedov const gss_buffer_t prf_in,
43*ae771770SStanislav Sedov ssize_t desired_output_len,
44*ae771770SStanislav Sedov gss_buffer_t prf_out)
45*ae771770SStanislav Sedov {
46*ae771770SStanislav Sedov struct _gss_context *ctx = (struct _gss_context *) context;
47*ae771770SStanislav Sedov gssapi_mech_interface m;
48*ae771770SStanislav Sedov OM_uint32 major_status;
49*ae771770SStanislav Sedov
50*ae771770SStanislav Sedov _mg_buffer_zero(prf_out);
51*ae771770SStanislav Sedov *minor_status = 0;
52*ae771770SStanislav Sedov
53*ae771770SStanislav Sedov if (ctx == NULL) {
54*ae771770SStanislav Sedov *minor_status = 0;
55*ae771770SStanislav Sedov return GSS_S_NO_CONTEXT;
56*ae771770SStanislav Sedov }
57*ae771770SStanislav Sedov
58*ae771770SStanislav Sedov m = ctx->gc_mech;
59*ae771770SStanislav Sedov
60*ae771770SStanislav Sedov if (m->gm_pseudo_random == NULL)
61*ae771770SStanislav Sedov return GSS_S_UNAVAILABLE;
62*ae771770SStanislav Sedov
63*ae771770SStanislav Sedov major_status = (*m->gm_pseudo_random)(minor_status, ctx->gc_ctx,
64*ae771770SStanislav Sedov prf_key, prf_in, desired_output_len,
65*ae771770SStanislav Sedov prf_out);
66*ae771770SStanislav Sedov if (major_status != GSS_S_COMPLETE)
67*ae771770SStanislav Sedov _gss_mg_error(m, major_status, *minor_status);
68*ae771770SStanislav Sedov
69*ae771770SStanislav Sedov return major_status;
70*ae771770SStanislav Sedov }
71